[ncl-talk] Need verification on NCL scripts for temperature anomalies and extraction at grid points

[Kunal Dayal]

I take note and thank you for the assistance.

I will look at the plots with your code and advise if it works for me.

Regards
Kunal

On Mon, 9 Dec 2019 at 06:17, Dennis Shea <shea at ucar.edu> wrote:

> I am not sure about the following:
> ---
> ; computing the composite diurnal cycle of anomalies
> T2mean=dim_avg_n_Wrap(T2_dc,0)    ; (nlat,nlon)
> T2_dc_anom=T2_dc
> T2_dc_anom=(/ T2_dc-conform(T2_dc,T2mean,(/1,2/)) /)
> ---
> T2mean is the overall temporal mean at each grid point.
> ie: a constant at each grid point
>
> Subtracting this just shifts hourly values down.
> ----
> Attached is a 'guess' at what the code should look like.
>
> Cheers
>
>
>
>
> On Mon, Dec 2, 2019 at 7:21 PM Kunal Dayal via ncl-talk <ncl-talk at ucar.edu>
> wrote:
>
>> Hi,
>>
>> I have written a script for plotting the monthly averaged diurnal 2 m
>> temperature anomalies and the 2 m temperature extraction script at a
>> specific location. I am using the scripts to plot and extract data from WRF
>> files.
>>
>> The code is working for both scripts but the monthly averaged diurnal 2 m
>> temperature anomalies do not reflect the same behavior when compared with
>> the data extracted at grid points (latitude and longitude) of station
>> locations that are located especially on the leeward side of a tropical
>> island.
>>
>> I would really appreciate it if you can advise whether my temperature
>> anomalies script and temperature extraction script using NCL are correct.
>> See attached the scripts.
>>
>> I have also checked the locations of the stations on the leeward side and
>> they are located on land.
>>
>> I would really appreciate your assistance and advice.
>>
>> Regards
>> Kunal Kushal Dayal
>>
>> PhD Researcher - Wind Energy
>> Department of Mechanical Engineering
>> Faculty of Engineering
>> The University of Auckland
>> New Zealand.
>> Email: kday202 at aucklanduni.ac.nz
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>
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